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MerciApp vs QuillBot: Complete Comparison 2026

Select a category, then compare up to 3 tools side by side. Analyze features, pricing, and performance.

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Writing & SEO18 tools available
MerciApp
MerciApp

French spelling checker and AI writing assistant

MerciApp is an AI spelling checker specialized in French, integrable with Word, emails, websites. Detects errors, style suggestions, grammar and appropriate tone via local NLP for precision on French nuances.

Strengths

  • Excellent for French with 30 years of linguistic research
  • Smart real-time autocorrection
  • Direct integration in all web tools
  • Customizable AI assistants (MAIA)

Limitations

  • Primarily optimized for French language
  • Advanced features require paid plans
  • No offline desktop version

Pricing plans

  • Correction complète
  • Intégrations Word/Gmail
  • Suggestions stylistiques
QuillBot
QuillBot

AI-powered paraphrasing and writing tool

QuillBot is an AI writing assistant offering paraphrasing, grammar checking, plagiarism detection and automatic summarization.

Strengths

  • Powerful paraphraser with 10+ modes
  • Generous free plan to get started
  • Popular Chrome extension (4.5M+ users)
  • Reliable plagiarism detection

Limitations

  • Limited features in free version
  • No built-in SEO tools
  • Plagiarism check limited to 25,000 words/month on Premium
  • Less suited for long-form writing

Pricing plans

  • Paraphrase jusqu'à 125 mots
  • Vérification grammaticale basique
  • 1 scan plagiat
  • Extension Chrome
  • Paraphrase illimitée
  • 10+ modes de réécriture
  • Vérificateur grammatical avancé
  • 25 000 mots/mois plagiat
  • Résumeur jusqu'à 6 000 mots
  • Traducteur 50+ langues
  • Détecteur IA
  • Générateur de citations
  • Humaniseur de texte
  • Toutes les fonctionnalités Premium
  • Tarif réduit étudiant vérifié
  • Toutes les fonctionnalités Premium
  • Contrôles centralisés
  • Guides de style partagés
  • Collaboration d'équipe

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General overview

Criterion
MerciApp
QuillBot
AI typeAI NativeAI Enhanced
Country of origin🇫🇷 France🇺🇸 United States
Year founded20232017
Supported languages1 language23 languages
Free plan
No
Yes

Detailed comparison

FeatureMerciAppQuillBot
Brand Voice
Unlimited words
Marketing templates
Campaign orchestration
Knowledge base
AI Writing
SEO Optimization
Plagiarism detection
Tone adjustment
Multilingual Writing
Content templates
Keyword research
SERP analysis
Word Limit
Browser Extension
Available
Not available
Best

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